Sole for footwear

FIG. 1 is a bottom perspective view of a sole for footwear, showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an opposite side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

Elements presented in broken lines show environment and do not form part of the claimed design.